Home / 1,011,631.78-2,116,788.19

Finding the Third Proportional to 1,011,631.78 and 2,116,788.19

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Solution

The third proportional to 1,011,631.78 and 2,116,788.19 is: 4,429,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,631.78 : 2,116,788.19 = 2,116,788.19 : x
  2. Step 2: Convert to fraction form
    1,011,631.78/2,116,788.19 = 2,116,788.19/x
  3. Step 3: Cross multiply
    1,011,631.78x = 2,116,788.19 × 2,116,788.19
  4. Step 4: Simplify right side
    1,011,631.78x = 4,480,792,230,739.54
  5. Step 5: Solve for x
    x = 4,480,792,230,739.54/1,011,631.78
  6. Step 6: Final answer
    x = 4,429,271.91

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.